20018568705

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{373}}^1\times {\mathrm{210467}}^1$

素因数の和:210865

約数の個数: 32

約数和(自身を含む): 34004893824

約数和(自身を除く): 13986325119

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 373, 1119, 1865, 5595, 6341, 19023, 31705, 95115, 210467, 631401, 1052335, 3157005, 3577939, 10733817, 17889695, 53669085, 78504191, 235512573, 392520955, 1177562865, 1334571247, 4003713741, 6672856235, 20018568705]

約数ペア:

[(1, 20018568705), (3, 6672856235), (5, 4003713741), (15, 1334571247), (17, 1177562865), (51, 392520955), (85, 235512573), (255, 78504191), (373, 53669085), (1119, 17889695), (1865, 10733817), (5595, 3577939), (6341, 3157005), (19023, 1052335), (31705, 631401), (95115, 210467)]